Profit and Loss Practice Test 3

Question : 34 of 40

Marks: +1, -0

A dairyman pays Rs. 6.40 per litre of milk. He adds water and sells the mixture at Rs. 8 per litre,there by making 37.5% profit. What is the proportion of water to milk received by the customers?

1 : 15
1 : 10
1 : 7
1 : 5

Validate

Solution:

C.P. of 1 kg mixture =

100/ 137.5× 8

= Rs.

64/ 11

Now applying rule of alligation,

Hence, ratio of water to milk

=64/110:64/10=1:10

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